Winter Weather Forecast 2024-25 202425 Canada. October could very well deliver some winter weather, but we do not expect that cold weather will lock in until later in november or december. The greatest impact la niña can have on our weather during the late summer and fall months involves hurricane season over in the.
The absence of anomalous warmth persisting in september is considered to be a factor in favour of a colder winter when our final forecast is produced in late november. The greatest impact la niña can have on our weather during the late summer and fall months involves hurricane season over in the.